Rack'em RA4 Back Pack Blower RackRack'em RA4 Back Pack Blower Rack Designed to hold a back pack blower by its grab handle. Features: Designed to hold a back pack blower by its grab handle for enclosed trailers. Cross member supports the blowers back rest and secures the unit with the included bungee cord. Bottom hook keeps the blower tube tucked in against the wall. Bottom hook can do double duty as a hand held blower hook.